Home / 2,568.54-3,852.45-1,107.50

Finding the Fourth Proportional to 2,568.54, 3,852.45 and 1,107.50

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Solution

The fourth proportional to 2,568.54, 3,852.45 and 1,107.50 is: 1,661.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568.54 : 3,852.45 = 1,107.50 : x
  2. Step 2: Convert to fraction form
    2,568.54/3,852.45 = 1,107.50/x
  3. Step 3: Cross multiply
    2,568.54x = 3,852.45 × 1,107.50
  4. Step 4: Simplify right side
    2,568.54x = 4,266,578.39
  5. Step 5: Solve for x
    x = 4,266,578.39/2,568.54
  6. Step 6: Final answer
    x = 1,661.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.